# SDR DU4R2006438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2006
- Submitted: May 19, 2006
- Operation: Air carrier
- Filed by: [AAR Aircraft Services, LLC, repair station DU4R141M](https://openairdocs.org/faa-repair-station/DU4R141M/aar-aircraft-services-llc.md) (OpenAirDocs)
- Aircraft: N628DL
- Make and model: Boeing 757232
- Aircraft serial: 22918
- Aircraft time: 62,935 hours, 31,000 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DU4R2006438

## Discrepancy

CORROSION ON FLOOR STRUCTURE AT L4 DOOR BETWEEN BS 1640 TO 1681.  FABRICATED AND INSTALLED 2 EACH INTERCOSTAL WEBS 21.75 X 3.5 X 1.8 INCHES FROM 7075-T6 .071" IAW B757 SRM 51-30-01, 51-40-05 AND 51-40-02.

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